while mark kelly and gabby giffords are expected to push for universal back ground checks and limits on high capacity magazines. >>> in medical news, you may want to ask you boss for an earlier lunch hour. people on a diet who eat lunch early end up losing more weight than those that eat late in the afternoon. the body processes sugar differently te pending on time of day. >>> and finally, wow, the definition of american heroism. form eer soldier brendan marroc made a point of wheeling himself sp a press conference on tuesday. he was using transplanted arms. he lost his arms and legs in 2009. that has not stopped him. >> not having arms takes so much away from you. even your personality. i have oversome so much in the last four years. i really, honestly, wasn't worried about the risks. >> he says he feels like he's getting a second chance at life. he cannot wait to swim again. it might take two to three years to fully use his arms. another chance for us to thank each and every one of the servicemen and women protecting our freedom. thank you so much for our service. and no more deser